Handle State Change

<String> LViS.FlexiPoll.ON_STATE_CHANGE

Notifies about state change.

Example

// shorthand
var F = window.LViS.FlexiPoll;

element.bind(F.ON_STATE_CHANGE, function (state) {
    switch (state) {
        case F.STATE_STARTED:
            renderStartedState();
        break;
        case F.STATE_CLOSED:
            renderClosedState();
        break;
    }
});